Product Description
M4 metric 10.9 self colour countersunk socket screws for high tensile fastening applications where a flush finish is required. Manufactured from self colour steel, these countersunk allen key socket screws are suitable for automotive, engineering, machinery and general workshop use.
These screws are produced to DIN 7991 with standard metric coarse thread and are available in 10mm, 12mm and 20mm lengths. Ideal for applications requiring a strong recessed drive fixing with a neat countersunk finish.
Please select the required length and pack quantity from the dropdown options. Specifications are intended as a guide only, so if dimensions are critical it is best to check before ordering.
Thread Size: M4
Material: Self Colour Steel
Grade: 10.9 High Tensile
Standard: DIN 7991
Thread Type: Metric Coarse
Drive Type: Hex Socket / Allen Key
Head Type: Countersunk

| A | B | C | D | E | F |
| 4mm | 10mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 12mm | 8mm | 2.3mm | 2.5mm | 0.7 |
| 4mm | 20mm | 8mm | 2.3mm | 2.5mm | 0.7 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.